Which of the following is present in the fetus but not in an adult human?
A. left atrium
B. pulmonary vein
C. ductus arteriosus
D. superior vena cava
E. internal iliac artery
Answer: C
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________ is a process that can completely catabolize an organic energy source to CO2 using the glycolytic pathways and TCA cycle with O2 as the terminal electron acceptor for an electron transport chain.
Fill in the blank(s) with the appropriate word(s).
Which organelle's membrane contains the enzymes that convert light energy to chemical energy in eukaryotes?
a. plasma b. chloroplast c. Golgi complex d. lysosome e. endoplasmic reticulum
Colonial cnidarians that exhibit both the polyp stage and the medusa stage in their life cycles are:
a. hydrozoans. b. scyphozoans. c. cubozoans. d. anthozoans. e. bryozoans.
If a water molecule passes through the outer membrane of a chloroplast, how many more membranes will it have to move through to be in the stroma?
A. 1 B. 2 C. 3 D. 4